{% extends 'layout.html' %}

{%  load static %}

{% block content %}
    <div class="container">
        <div class="panel panel-default">
            <div class="panel-heading">折线图</div>
            <div class="panel-body">
                <div id="m1" style="width: 100%;height:300px;"></div>
                </div>
            </div>
        <div class="row" >
            <div class="col-sm-8">
                <div class="panel panel-default">
                    <div class="panel-heading">柱状图</div>
                    <div class="panel-body">
                        <div id="m2" style="width: 100%;height:300px;"></div>
                    </div>
                </div>
            </div>
            <div class="col-sm-4">
                <div class="panel panel-default">
                    <div class="panel-heading">饼图</div>
                        <div class="panel-body">
                        <div id="m3" style="width: 100%;height:300px;"></div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>
    
{% endblock %}


{% block js %}
    <script src="{% static 'js/echarts.js' %}"></script>
    <script type="text/javascript">
        
        $(function () {
            initLine();
            initBar();
            initPie();
        })

        function initLine() {

            // 基于准备好的dom，初始化echarts实例
            var myChart = echarts.init(document.getElementById('m1'));


            var option = {
                title: {
                    text: '全年销售对比',
                    left: "center",
                    top: 0,  
                },
                xAxis: {
                    type: 'category',
                    data: []
                },
                legend: {
                    data: [],
                    bottom : 0,
                },
                yAxis: {
                    type: 'value'
                },
                series: [
                ]
                };

                $.ajax({
                    url:'/chart/line/',
                    type:'get',
                    dataType:'JSON',
                    success:function (res){
                        if (res.status) {
                            option.legend.data = res.data.legend;
                            option.xAxis.data = res.data.x_axis;
                            option.series = res.data.series_list;

                            // 使用刚指定的配置项和数据显示图表。
                            myChart.setOption(option);
                        }

                    }
                })

        }
        
        function initBar() {

                // 基于准备好的dom，初始化echarts实例
            var myChart = echarts.init(document.getElementById('m2'));
    
            // 指定图表的配置项和数据
            var option = {
                title: {
                    text: '上半年销量展示',
                    left: "center",
                    top: 0,  
                },
                tooltip: {},
                legend: {
                    data: [],
                    bottom : 0,
                },
                xAxis: {
                    data: []
                },
                yAxis: {},
                series: [
                ]
            };



            $.ajax({
                url:"/chart/bar/",
                type:'get',
                dataType:'JSON',
                success:function (res) {
                    if (res.status) {
                        option.legend.data = res.data.legend;
                        option.xAxis.data = res.data.x_axis;
                        option.series = res.data.series_list
                        
                        // 使用刚指定的配置项和数据显示图表。
                        myChart.setOption(option);
                        
                    }

                    
                }    

            })
        }

        function initPie() {
            var myChart = echarts.init(document.getElementById('m3'));

            var option = {
                    tooltip: {
                        trigger: 'item'
                    },
                    legend: {
                        left: 'center',
                        bottom:0,
                    },
                    series: [
                        {
                        name: 'Access From',
                        type: 'pie',
                        radius: ['40%', '70%'],
                        avoidLabelOverlap: false,
                        label: {
                            show: false,
                            position: 'center'
                        },
                        emphasis: {
                            label: {
                            show: true,
                            fontSize: 40,
                            fontWeight: 'bold'
                            }
                        },
                        labelLine: {
                            show: false
                        },
                        data: []
                        }
                    ]
                    };
            
            $.ajax({
                url:'/chart/pie/',
                type:'get',
                dataType:'JSON',
                success:function(res){
                    if (res.status) {
                        option.series[0].data = res.data.series_list;
                        // console.log(res.data.series_list);
                        myChart.setOption(option);
                    }
                }
            })
            

        }

      </script>
{% endblock %}

